Water filter



FIG. 1.1 is a perspective view of a water filter showing the new design;

FIG. 1.2 is a front view thereof;

FIG. 1.3 is a back view thereof;

FIG. 1.4 is a left side view thereof;

FIG. 1.5 is a right side view thereof;

FIG. 1.6 is a top view thereof; and

FIG. 1.7 is a bottom view thereof.

The evenly-dashed broken lines shown in the figures are included for the purpose of illustrating portions of the water filter and form no part of the claimed design. The dot-dash broken lines define the bounds of the claimed design and form no part thereof. 

CLAIM The ornamental design for a water filter, as shown and described. 